<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>screen location</title>
    <script type="text/javascript">
        var swidth=parseInt(screen.width);
        var sheight=parseInt(screen.height);
        if(swidth<=800||sheight<=600){
            window.location.href="screen800600.html";
        }
    </script>
</head>
<body>
<p>屏幕分辩率大于800*600.</p>
</body>
</html>